CN217542374U - Remote self-checking device for ship liquid level switch - Google Patents
Remote self-checking device for ship liquid level switch Download PDFInfo
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- CN217542374U CN217542374U CN202221550441.5U CN202221550441U CN217542374U CN 217542374 U CN217542374 U CN 217542374U CN 202221550441 U CN202221550441 U CN 202221550441U CN 217542374 U CN217542374 U CN 217542374U
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- level switch
- liquid level
- seat
- checking device
- bottom tray
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Abstract
The utility model provides a long-range self-checking device for boats and ships level switch, including level switch and the ball valve that is located safe region, be equipped with the protection section of thick bamboo in the cabin, be equipped with the shutoff piece on the lower terminal surface in the protection section of thick bamboo, be equipped with the direction bracing piece in the protection section of thick bamboo inside, the lower extreme stretches into in the shutoff piece, be equipped with the slidable floater on the direction bracing piece, be fixed with the flotation piece on the lower terminal surface of floater, the flotation piece encloses into the cavity with the protection section of thick bamboo lateral wall with the up end of shutoff piece, ball valve one end is connected with the shipyard detection air supply, the other end is connected with the cavity joint in the bottom of level switch through the pipeline that extends to the protection section of thick bamboo lower extreme; a floating ball sensing device is arranged in the guide support rod, is connected with the liquid level switch electrical element and transmits signals to the ship automatic monitoring and alarming system through a cable. The utility model discloses a long-range self-checking device can long-rangely accomplish the operation of level switch self-checking device, specially adapted special places such as narrow and small space and hazardous gas storage tank region.
Description
Technical Field
The utility model belongs to the technical field of shipbuilding, in particular to a long-range self-checking device for boats and ships liquid level switch.
Background
In ship design, a liquid level switch is widely used for high-low level alarm of cabin liquid level, and an alarm signal is used for system control through a ship monitoring system. The liquid level switch is a float ball type liquid level switch, and the principle of the float ball type liquid level switch is that a float ball of the liquid level switch is driven to move by the up-and-down change of the cabin liquid level, and an electric signal is generated by mechanical motion through a special structure to output an alarm signal. The liquid level switch can all take self-checking device to be used for detecting the daily trouble self-checking of liquid level switch usually, and liquid level switch self-checking device installs at the liquid level switch top, designs into a pull rod or a pressure pole usually, and personnel need go to the liquid level switch installation scene and pull up or push down the self-checking rod through external force, and the self-checking rod drives the floater up-and-down motion and produces the signal of telecommunication and is sent out by liquid level switch and detect whole alarming function and whether normal, and the up-and-down motion of self-checking rod has replaced the liquid level height change in cabin. However, when the liquid level switch is installed in a dangerous area or a person arrives at a difficult area, the on-site self-checking liquid level switch is not the best choice, and the liquid level switch with remote self-checking function is more suitable.
SUMMERY OF THE UTILITY MODEL
In order to the problem, the utility model provides a long-range self-checking device for boats and ships liquid level switch can long-range completion self-checking device operation, can reach liquid level switch's self-checking function on the spot completely, and the place that reachs special difficulty especially uses to the people, especially special places such as narrow and small space and hazardous gas storage tank region.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a remote self-checking device for a ship liquid level switch comprises a liquid level switch arranged on the outer cabin top of a ship cabin and a remote detection ball valve positioned in a safe area, wherein a protective barrel is arranged in the cabin, the upper end of the protective barrel penetrates through the top wall of the cabin to be connected with the cabin, a blocking piece is arranged on the lower end face in the protective barrel, a guide supporting rod is arranged in the protective barrel, the upper end of the guide supporting rod is connected with an electric element of the liquid level switch, the lower end of the guide supporting rod extends into the blocking piece, a slidable floating ball is arranged on the guide supporting rod, an upper limiting device fixed on the guide supporting rod is arranged above the floating ball, a lower limiting device fixed on the guide supporting rod is arranged below the floating ball, water inlet air holes are uniformly formed in the circumferential side wall of the protective barrel and are positioned on the side wall of the protective barrel between the upper limiting device and the lower limiting device; a floating sheet is fixed on the lower end face of the floating ball, the floating sheet, the upper end face of the plugging piece and the side wall of the protection cylinder form a cavity, one end of the remote detection ball valve is connected with a detection air source of a shipyard, the other end of the remote detection ball valve is connected with a cavity joint at the bottom of the liquid level switch through a pipeline extending to the lower end of the protection cylinder, the cavity joint at the bottom of the liquid level switch and the plugging piece penetrate through the bottom wall of the protection cylinder to be connected with the plugging piece, and a first through hole for communicating the pipeline and the cavity is formed in the plugging piece; a floating ball sensing device is arranged in the guide support rod, is connected with the liquid level switch electrical element and transmits signals to the automatic monitoring and alarming system of the ship through a cable.
Furthermore, the plugging piece comprises a threaded seat and a bottom tray, the threaded seat is positioned in the lower port of the protection barrel and provided with a threaded hole, the longitudinal section of the bottom tray is in an inverted U shape, a through hole opposite to the threaded hole is formed in the bottom tray, the threaded seat is arranged on the lower end face of the protection barrel, the bottom tray is buckled on the threaded seat, the threaded seat and the protection barrel are arranged and connected with a central shaft, the outer diameter of the bottom tray is the same as the inner diameter of the protection barrel, the threaded seat is arranged in the bottom tray, the circumferential side wall of the bottom tray is connected with the side wall of the protection barrel, the lower end of the guide support rod penetrates through the through hole and extends into the threaded seat, and the bottom tray, the floating piece and the side wall of the protection barrel form a cavity; the cavity joint at the bottom of the liquid level switch extends into the threaded hole and is connected with the threaded seat; the first through hole is arranged on the bottom tray.
Furthermore, the height of the threaded hole in the threaded seat is smaller than that of the threaded seat, a buffer cavity is arranged in the threaded seat and located above the threaded hole, and the first through hole is located above the buffer cavity.
Further, the diameter of the buffer cavity is larger than that of the threaded hole.
Furthermore, the inner side of the bottom tray is connected with the thread seat in a welding mode.
Furthermore, the circumferential side wall of the bottom tray is connected with the side wall of the protection cylinder through bolts.
Furthermore, the floating sheet is circular, a gap is arranged between the peripheral side of the floating sheet and the inner wall of the protection barrel, and the width of the gap is 2mm.
Furthermore, a fixed seat is fixed on the upper end face of the cabin top outside the cabin, and a fixed flange at the lower end of the liquid level switch is in threaded connection with the fixed seat; the fixing seat is provided with a second through hole with the diameter larger than the outer diameter of the protection barrel, the upper end of the protection barrel extends into the second through hole, and the upper end face of the protection barrel and the upper end face of the fixing seat are located in the same plane.
Furthermore, a clamping protrusion is arranged on the outer side wall of the upper end of the protection cylinder and located in the second through hole.
The utility model discloses a long-range self-checking device for boats and ships level switch inserts the whole ship compressed air system of boats and ships, lets in the self-checking device with compressed air, and compressed air blows the upward movement of level switch floater, and level switch produces alarm signal output. The liquid level switch is aerated by opening a manual valve of a safe area, the compressed air blows a floating ball of the liquid level switch to move upwards, the floating ball of the liquid level switch moves upwards to generate an alarm signal to a ship monitoring alarm system, and the remote self-checking function of the liquid level switch is completed. The ball valve is installed in safe region and is convenient for personnel to manually operate, the compressed air device replaces a mechanical self-checking rod, the liquid level switch self-checking function is remotely completed, and the top-mounted type sewage well is particularly suitable for dry goods cabins and dangerous gas storage tank regions where people are not easy to reach. Human access to these areas is particularly difficult, but bilge water systems in these areas require periodic verification that the level switch is functioning properly. Through the design of the remote self-checking device, a crew can check whether the liquid level switch works normally in a safe area. Therefore, the safety of personnel can be ensured, the operation reliability of the system can be checked, the operation life of the equipment is prolonged, and the economic benefit is improved.
Drawings
Figure 1 is a longitudinal section of a remote self-checking device for a ship liquid level switch.
The device comprises a liquid level switch 1, a remote detection ball valve 2, a cabin 3, a protection cylinder 4, a threaded seat 5, a bottom tray 6, a guide support rod 7, a floating ball 8, an upper limiting device 9, a lower limiting device 10, a fixing flange 11, a fixing seat 12, a second through hole 121, a floating sheet 13, a pipeline 14, a cavity 15, a water inlet vent hole 16, a liquid level switch bottom cavity joint 17, a countersunk head screw 41, a buffer cavity 51, a threaded hole 52 and a first through hole 61.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a remote self-checking device for a ship liquid level switch comprises a liquid level switch 1 installed on the top of a cabin outside a ship cabin and a remote detection ball valve 2 located in a safe area, a protection barrel 4 is arranged in the cabin 3, a plugging piece is arranged on the lower end face in the protection barrel 4, the plugging piece comprises a thread seat 5 with a threaded hole 52 and a bottom tray 6 which are located in the lower end opening of the protection barrel 4, the longitudinal section of the bottom tray 6 is in an inverted U shape, a bottom tray through hole opposite to the threaded hole 52 is arranged on the bottom tray 6, the thread seat 5 is arranged on the lower end face of the protection barrel 4, the bottom tray 6 is buckled on the thread seat 5, the inner side of the bottom tray 6 is connected with the thread seat 5 in a welding manner, the thread seat 5 and the protection barrel 4 are arranged on the same central axis, the outer diameter of the bottom tray 6 is the same as the inner diameter of the protection barrel 4, the thread seat 5 is arranged in the bottom tray 6, and the circumferential side wall of the protection barrel 4 is connected with a sunk screw 41; a guide support rod 7 is arranged inside the protective cylinder 4, the upper end of the guide support rod 7 is connected with an electric element of the liquid level switch 1, a floating ball 8 can be slidably arranged on the guide support rod 7 in a penetrating manner, an upper limiting device 9 fixed on the guide support rod 7 is arranged above the floating ball 8, a lower limiting device 10 fixed on the guide support rod 7 is arranged below the floating ball 8, water inlet air holes 16 are uniformly arranged on the upper peripheral side of the protective cylinder 4, and the water inlet air holes 16 are positioned on the side wall of the protective cylinder 4 between the upper limiting device 9 and the lower limiting device 10; a fixed seat 12 is fixed on the upper end surface of the outer cabin top of the cabin 3, and a fixed flange 11 at the lower end of the liquid level switch 1 is in threaded connection with the fixed seat 12; the fixed seat 12 is provided with a second through hole 121 with the diameter larger than the outer diameter of the protection cylinder 4, the upper end of the protection cylinder 4 extends into the second through hole 121, and the upper end surface of the fixed seat 12 are positioned in the same plane; a countersunk head screw 41 is arranged on the outer side wall of the upper end of the protective cylinder 4, and the countersunk head screw 41 is positioned in the second through hole 121; a floating sheet 13 is fixed on the lower end surface of the floating ball 8, the floating sheet 13 is circular, a gap is arranged between the peripheral side of the floating sheet 13 and the inner wall of the protection cylinder 4, and the width of the gap is 2mm; the floating sheet 13, the upper end surface of the bottom tray 6 and the side wall of the protective barrel 4 enclose a cavity 15; the height of the threaded hole in the threaded seat 5 is smaller than that of the threaded seat 5, a buffer cavity 51 is arranged in the threaded seat 5, the buffer cavity 51 is positioned above the threaded hole 52, and the diameter of the buffer cavity 51 is larger than that of the threaded hole 52; the lower end of the guide support rod 7 penetrates through a through hole of the bottom tray 6 and extends into the buffer cavity 51; one end of the remote detection ball valve 2 is connected with a shipyard detection air source, the other end of the remote detection ball valve is connected with a liquid level switch bottom cavity joint 17 through a pipeline 14 extending to the lower end of the protection barrel 4, the liquid level switch bottom cavity joint 17 and a plugging piece penetrate through the bottom wall of the protection barrel 4 and are in threaded connection with a threaded hole 52, a first through hole 61 used for communicating the pipeline 14 with the cavity 15 is formed in the bottom tray 6, and the first through hole 61 is located above the buffer and cavity 51 and is communicated with the cavity 15; a floating ball sensing device is arranged inside the guide support rod 7, the floating ball sensing device is electrically connected with the liquid level switch 1, and the liquid level switch 1 is in wireless signal connection with the ship automatic monitoring and alarming system.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A remote self-checking device for a ship liquid level switch is characterized by comprising a liquid level switch arranged on the top of a cabin outside a ship cabin and a remote detection ball valve positioned in a safe region, wherein a protective cylinder is arranged in the cabin, the upper end of the protective cylinder penetrates through the top wall of the cabin and is connected with the cabin, a sealing piece is arranged on the lower end face in the protective cylinder, a guide supporting rod is arranged inside the protective cylinder, the upper end of the guide supporting rod is connected with an electric element of the liquid level switch, the lower end of the guide supporting rod extends into the sealing piece, a slidable floating ball is arranged on the guide supporting rod, an upper limiting device fixed on the guide supporting rod is arranged above the floating ball, a lower limiting device fixed on the guide supporting rod is arranged below the floating ball, water inlet air holes are uniformly formed in the circumferential side wall of the protective cylinder, and the water inlet air holes are positioned on the side wall of the protective cylinder between the upper limiting device and the lower limiting device; a floating sheet is fixed on the lower end face of the floating ball, the floating sheet, the upper end face of the plugging piece and the side wall of the protection cylinder form a cavity, one end of the remote detection ball valve is connected with a detection air source of a shipyard, the other end of the remote detection ball valve is connected with a cavity joint at the bottom of the liquid level switch through a pipeline extending to the lower end of the protection cylinder, the cavity joint at the bottom of the liquid level switch and the plugging piece penetrate through the bottom wall of the protection cylinder to be connected with the plugging piece, and a first through hole for communicating the pipeline and the cavity is formed in the plugging piece; a floating ball sensing device is arranged in the guide support rod, is connected with the liquid level switch electrical element and transmits signals to the automatic monitoring and alarming system of the ship through a cable.
2. The remote self-checking device for the ship liquid level switch according to claim 1, wherein the plugging piece comprises a thread seat and a bottom tray which are provided with threaded holes and positioned in the lower port of the protection barrel, the longitudinal section of the bottom tray is in an inverted U shape, through holes opposite to the threaded holes are formed in the bottom tray, the thread seat is arranged on the lower end surface of the protection barrel, the bottom tray is buckled on the thread seat, the thread seat and the protection barrel are arranged and connected with each other through a central shaft, the outer diameter of the bottom tray is the same as the inner diameter of the protection barrel, the thread seat is arranged in the bottom tray, the circumferential side wall of the bottom tray is connected with the side wall of the protection barrel, the lower end of the guide support rod penetrates through the through holes and extends into the thread seat, and the bottom tray, the floating sheet and the side wall of the protection barrel form a cavity; the cavity joint at the bottom of the liquid level switch extends into the threaded hole and is connected with the threaded seat; the first through hole is arranged on the bottom tray.
3. The remote self-checking device for the ship liquid level switch as claimed in claim 2, wherein the height of the threaded hole on the threaded seat is smaller than that of the threaded seat, a buffer cavity is arranged in the threaded seat and is located above the threaded hole, and the first through hole is located above the buffer cavity.
4. The remote self-checking device for the ship liquid level switch as claimed in claim 3, wherein the diameter of the buffer cavity is larger than that of the threaded hole.
5. The remote self-checking device for the ship liquid level switch as claimed in claim 2, wherein the inner side of the bottom tray is welded with the threaded seat.
6. The remote self-checking device for the ship liquid level switch according to claim 2, wherein the circumferential side wall of the bottom tray is connected with the side wall of the protection cylinder through a bolt.
7. The remote self-checking device for the ship liquid level switch as claimed in claim 2, wherein the floating sheet is circular, a gap is arranged between the peripheral side of the floating sheet and the inner wall of the protection barrel, and the width of the gap is 2mm.
8. The remote self-checking device for the ship liquid level switch as claimed in claim 1, wherein a fixed seat is fixed on the upper end surface of the cabin top outside the cabin, and a fixed flange at the lower end of the liquid level switch is in threaded connection with the fixed seat; the fixing seat is provided with a second through hole with the diameter larger than the outer diameter of the protection barrel, the upper end of the protection barrel extends into the second through hole, and the upper end face of the protection barrel and the upper end face of the fixing seat are located in the same plane.
9. The remote self-checking device for the ship liquid level switch as claimed in claim 8, wherein a clamping protrusion is arranged on an outer side wall of an upper end of the protection cylinder, and the clamping protrusion is located in the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550441.5U CN217542374U (en) | 2022-06-20 | 2022-06-20 | Remote self-checking device for ship liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550441.5U CN217542374U (en) | 2022-06-20 | 2022-06-20 | Remote self-checking device for ship liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542374U true CN217542374U (en) | 2022-10-04 |
Family
ID=83419527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221550441.5U Active CN217542374U (en) | 2022-06-20 | 2022-06-20 | Remote self-checking device for ship liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542374U (en) |
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2022
- 2022-06-20 CN CN202221550441.5U patent/CN217542374U/en active Active
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